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15,046
RESULTS

COLLECTION
TOPIC atoz
ERIC Archive 5,959
Ecology 929
Pollution 576
Energy 283
Roads 233
Models 217
Biology 190
Land Use 175
Water 171
LAND USE 164
Land use 164
Economics 138
Values 132
Geography 129
Research 123
Recycling 115
Surveys 107
Attitudes 103
Children 101
History 101
Wastes 99
Ethics 98
Guides 97
Housing 97
Bridges 95
Climate 89
Geology 89
Safety 89
CREATOR
SHOW DETAILS
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